Weather on September 5
Boston, MA
55 Years of Data
Avg High
77°F
Avg Low
61°F
Warmest
1971
81°F avg
Coldest
1994
55°F avg
About This Date
September 5th in Boston, MA typically brings pleasant fall weather, with average highs around 77°F and lows near 61°F. Over 55 years of records, the warmest September 5th was in 1971 (81°F average), while the coldest was 1994 (55°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 5th dates historically, with the wettest September 5th recording 2.26" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in Boston, MA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 65° | 74° | 0.2" | — |
| 2024 | 73° | 60° | 67° | — | — |
| 2023 | 84° | 67° | 75° | — | — |
| 2022 | 72° | 62° | 67° | 1.12" | — |
| 2021 | 74° | 64° | 69° | 0.13" | — |
| 2020 | 78° | 61° | 69° | — | — |
| 2019 | 70° | 61° | 65° | — | — |
| 2018 | 92° | 71° | 81° | — | — |
| 2017 | 88° | 65° | 76° | — | — |
| 2016 | 74° | 60° | 67° | 0.18" | — |
| 2015 | 73° | 58° | 65° | — | — |
| 2014 | 91° | 67° | 79° | — | — |
| 2013 | 70° | 57° | 63° | 0.23" | — |
| 2012 | 82° | 66° | 74° | 1.68" | — |
| 2011 | 87° | 69° | 78° | — | — |
| 2010 | 75° | 59° | 67° | — | — |
| 2009 | 76° | 64° | 70° | — | — |
| 2008 | 89° | 69° | 79° | — | — |
| 2007 | 73° | 59° | 66° | — | — |
| 2006 | 72° | 61° | 66° | 0.18" | — |
| 2005 | 70° | 59° | 64° | — | — |
| 2004 | 66° | 56° | 61° | — | — |
| 2003 | 74° | 63° | 68° | — | — |
| 2002 | 76° | 62° | 69° | — | — |
| 2001 | 73° | 60° | 67° | — | — |
| 2000 | 62° | 49° | 55° | — | — |
| 1999 | 75° | 66° | 71° | — | — |
| 1998 | 77° | 61° | 69° | — | — |
| 1997 | 77° | 53° | 65° | — | — |
| 1996 | 85° | 70° | 77° | — | — |
| 1995 | 86° | 61° | 73° | — | — |
| 1994coldest | 59° | 52° | 55° | 0.86" | — |
| 1993 | 75° | 63° | 69° | — | — |
| 1992 | 70° | 56° | 63° | — | — |
| 1991 | 77° | 60° | 69° | 2.26" | — |
| 1990 | 80° | 56° | 68° | — | — |
| 1989 | 67° | 52° | 59° | — | — |
| 1988 | 81° | 57° | 69° | — | — |
| 1987 | 77° | 53° | 65° | — | — |
| 1986 | 74° | 59° | 66° | — | — |
| 1985 | 80° | 67° | 73° | 0.43" | — |
| 1984 | 75° | 56° | 65° | — | — |
| 1983 | 90° | 72° | 81° | — | — |
| 1982 | 76° | 56° | 66° | — | — |
| 1981 | 69° | 55° | 62° | — | — |
| 1980 | 82° | 64° | 73° | — | — |
| 1979 | 83° | 65° | 74° | — | — |
| 1978 | 82° | 62° | 72° | — | — |
| 1977 | 80° | 61° | 70° | — | — |
| 1976 | 74° | 60° | 67° | 0.03" | — |
| 1975 | 81° | 61° | 71° | — | — |
| 1974 | 67° | 53° | 60° | — | — |
| 1973 | 70° | 65° | 67° | — | — |
| 1972 | 76° | 56° | 66° | — | — |
| 1971warmest | 92° | 70° | 81° | — | — |
55 years of data from BOSTON